{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64259",
    "entityType": "User",
    "nonce": "0x2b624328297e81db36762b99fce898ad76b3dcd7128fe37e6a7e050ae9643496",
    "signature": "0xdffad976aa0dede6bffd1bcafbe3a2626a0cffebac081ddc3a033efdec96e8bf70dced6ee246329acfcff4febed4793efa93c143a78e09984e9e1aba371c8c701c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}